Sharing family meals can help protect teenagers from the distressing effects of cyberbullying, according to a new study.

Researchers from the US and Canada asked nearly 19,000 12 to 18-year-olds in the state of Wisconsin questions about their experience of cyberbullying and a range of issues, including mental health and substance abuse problems.

The study, published this week in the Journal of the American Medical Association Pediatrics, found that around a fifth of adolescents (18.6 per cent) had been bullied online in the previous twelve months....